Measurement and Instrumentation The coil of a moving coil meter has 100 turns, is 40 mm long and 30 mm wide. The control torque is 240×10-6 N-m on full scale. If magnetic flux density is 1Wb/m2 range of meter is 2 mA. 3 mA. 4 mA. 1 mA. 2 mA. 3 mA. 4 mA. 1 mA. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation If two meters X and Y require 40 mA and 50 mA respectively, to give full scale deflection, then Y is more sensitive. It would not be possible to assess the sensitivity on the basis of the given data. X is more sensitive. Both X and Y are equally sensitive. Y is more sensitive. It would not be possible to assess the sensitivity on the basis of the given data. X is more sensitive. Both X and Y are equally sensitive. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The watt hour meter is ______ instrument. A transfer An integrating An indicating A recording A transfer An integrating An indicating A recording ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving coil permanent magnet instrument can be used as ______ by using a low resistance shunt. Ammeter Ballastic galvanometer Voltmeter Flux meter Ammeter Ballastic galvanometer Voltmeter Flux meter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Why is a MISC meter not recommended for DC measurement? The meter is calibrated for AC and it’s error for DC would be high The meter does not respond to DC signals The error is high due to eddy current effect The error is high due to hysteresis effect The meter is calibrated for AC and it’s error for DC would be high The meter does not respond to DC signals The error is high due to eddy current effect The error is high due to hysteresis effect ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation PMMC Instrument can be used for Both AC and DC None of the listed here AC work only DC work only Both AC and DC None of the listed here AC work only DC work only ANSWER DOWNLOAD EXAMIANS APP
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